When Julie Payette talks about the importance of preserving our planet, her words carry a unique credibility. Very few people have ever seen the Earth from space, and on her most recent mission, the 46-year-old Canadian astronaut had plenty of time to reflect during “blissful moments” gazing at the planet from above.

“Seeing the Earth like that makes you appreciate it and want to take care of it,” she says. “It reinforces the fact that there is only one planet.We all share it and it isn’t self- sustaining.We have to work at it.” Almost every child has dreamed of being an astronaut.

The first IB graduate in space is back on terra firma with some breathtaking souvenirs. Just don’t ask her about little green men.

For Julie, the road into space was arduous, and most of her day-to-day role with the Canadian Space Agency (CSA) is far removed from the few precious weeks she has spent outside Earth’s orbit. She knew she wanted to visit space at the age of nine but, she says, “it didn’t make any sense… I grew up watching the Apollo 13 astronauts go to the Moon and I wanted to do that so badly. At that time there was no such thing as a Canadian astronaut – the first one flew in 1984, when I was at university. But just because something isn’t possible today doesn’t mean it’s not possible tomorrow.”

Julie left her native Canada at 16 to study the IB Diploma Programme at the United World College (UWC) of the Atlantic in Wales, UK (she credits the Diploma Programme with teaching her to be organized), then graduated in engineering at McGill University in Montreal. As an engineer, she worked for IBM in Canada and Switzerland, and at the University of Toronto, before being picked as one of four astronauts from 5,300 applicants by the CSA in 1992.

Being an astronaut mostly entails supporting existing missions from the ground, training, testing and taking part in research. But in 1999, Julie’s dream was realized when she flew in the Space Shuttle Discovery to the International Space Station (ISS), around 220 miles from Earth, on a two-week mission supervising space walks where essential repairs were conducted. Ten years on, in July 2009, she returned to the ISS aboard the Space Shuttle Endeavour (pictured below). This time, she was chief engineer when a crew of seven international astronauts fitted a new platform to the station’s laboratory, to enable advanced experiments to be conducted.

“I got a fantastic view of the entire cockpit and out of the windows,” says Julie, who took 8,000 photographs from space, including one of her IB alma mater. “On my first mission, I remember thinking that riding the rocket was astonishing – the sheer force lifting you up, and all the noise, is tremendous – but being in the cockpit was even better.”

Married to a fighter pilot, with two young sons, Julie is now concentrating on her earthbound role in Texas, where astronaut training and mission support takes place. And if leaving the atmosphere has taught her the value of looking after life at home, it’s also confirmed Julie’s belief that life as we know it isn’t all there is to know:

“We’re far from alone. There are trillions of objects in the universe and it’s ludicrous to think that we’re the only form of life… or that intelligent forms of life from elsewhere would want to come and visit the third planet in a very small and insignificant solar system.”

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The IB offers an education for students from age 3 to 19, comprising of four programmes that focus on teaching students to think critically and independently, and how to inquire with care and logic. The IB prepares students to succeed in a world where facts and fiction merge in the news, and where asking the right questions is a crucial skill that will allow them to flourish long after they’ve left our programmes. We are supported by IB teachers and coordinators who develop and promote the IB’s curriculums in almost 5,000 schools globally every day, in over 150 countries around the world.